package cn.itcast.eduorder.service.impl;

import cn.itcast.baseservice.exceptionhandle.GuliException;
import cn.itcast.eduorder.entity.Order;
import cn.itcast.eduorder.entity.PayLog;
import cn.itcast.eduorder.mapper.PayLogMapper;
import cn.itcast.eduorder.service.OrderService;
import cn.itcast.eduorder.service.PayLogService;
import cn.itcast.eduorder.utils.HttpClient;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.management.Query;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author Duanzihuang
 * @since 2020-06-20
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {
    @Autowired
    private OrderService orderService;


    @Override
    public Map<String, Object> getPayQrCode(String orderNO) {
        try{
            //1 根据订单号获取订单信息
            QueryWrapper<Order> wrapper = new QueryWrapper<Order>();
            wrapper.eq("order_no",orderNO);
            Order order = orderService.getOne(wrapper);

            //2 使用map设置生成二维码需要参数
            Map m = new HashMap();
            m.put("appid","wx74862e0dfcf69954");
            m.put("mch_id","1558950191");
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("appid","wx74862e0dfcf69954");
            m.put("body",order.getCourseTitle());
            m.put("out_trade_no",orderNO);
            m.put("total_fee",order.getTotalFee().multiply(new BigDecimal(100)).longValue()+"");
            m.put("spbill_create_ip", "127.0.0.1");
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
            m.put("trade_type", "NATIVE");

            //3 使用httpclient发送请求，传递参数xml格式，微信支付的地址是固定的
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            // 设置xml格式的参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            // 执行post请求
            client.post();
            
            //4 得到发送请求之后的结果
            String xml = client.getContent();

            // 把xml转化成map集合
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            // 封装最终返回的数据
            Map map = new HashMap();
            map.put("out_trade_no",orderNO);
            map.put("course_id",order.getCourseId());
            map.put("total_fee",order.getTotalFee());
            map.put("result_code",resultMap.get("result_code")); // 返回二维码操作状态码
            map.put("code_url",resultMap.get("code_url")); // 二维码地址

            return map;
        } catch (Exception e) {
            throw new GuliException(20001,"生成支付二维码失败");
        }
    }

    @Override
    public Map queryPayStatus(String orderNO) {
        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNO);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2、使用httpclient发送请求
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

            //3 获取结果，并且返回
            String xml = client.getContent();

            return WXPayUtil.xmlToMap(xml);
        } catch (Exception e) {
            throw new GuliException(20001,"查询支付状态失败!");
        }
    }

    // 更新订单状态
    public void updateOrderStatus(Map<String,String> map){
        //1、从map中获取订单号，然后再查询订单信息
        String orderNO = map.get("out_trade_no");
        QueryWrapper wrapper = new QueryWrapper();
        wrapper.eq("order_no",orderNO);
        Order order = orderService.getOne(wrapper);

        //更新订单表订单状态
        if (order.getStatus() == 1) return;
        order.setStatus(1);
        orderService.updateById(order);

        //向支付表添加支付记录
        PayLog payLog = new PayLog();
        payLog.setOrderNo(orderNO);
        payLog.setPayTime(new Date());
        payLog.setPayType(1); // 支付类型 1微信
        payLog.setTotalFee(order.getTotalFee()); // 总金额（分）

        payLog.setTradeState(map.get("trade_state")); //支付状态
        payLog.setTransactionId(map.get("transaction_id")); //流水号
        payLog.setAttr(JSONObject.toJSONString(map));

        baseMapper.insert(payLog);
    }
}
